The milestone highlights the accelerating rate of discoveries, just over three decades since the first exoplanets were found.

When I say jump, you say how high. Let’s put this to the ultimate test by hopping around the Solar System. Literally.

A research team led by geophysicists at UC San Diego's Scripps Institution of Oceanography provides an explanation for ...

We like to think that our solar system is eternal, but one day, its very epicenter will die. Our Sun, like all stars, had a ...

A research team led by geophysicists at UC San Diego’s Scripps Institution of Oceanography provides an explanation for ...

Earth will move between Saturn and the sun this weekend, offering prime views of Saturn in what's known as "opposition." Here's what to know.

Astronomers have identified a tiny quasi-moon, 2025 PN7, orbiting near Earth for about 60 years. This 62-foot-wide near-Earth ...

While Saturn has been visible in the night sky all of September, this weekend, the ringed planet will shine its brightest.

For decades, the search for alien intelligence has revolved around the question: if someone out there is listening, how could ...

An asteroid the size of a skyscraper is approaching Earth at 24,136 miles per hour. The giant asteroid will be at its closest ...

Stargazers can tune in to the Virtual Telescope Project's YouTube stream beginning at 11 p.m. EDT on Sept. 17 (3:00 GMT Sept. 18) to see live views from the organization's robotic telescopes located ...

Spiral arms are crowded regions of space filled with stars, dust, and gas. As the solar system traveled through them, ...